Test prop cyp sust. Tren Deca npp and much more all can be done with 2/18% test e can hold easy w just 2%ba. Bb just helps the compound hold in the suspension with out crashing. Any % of ba over 2% is too much imho. Just be sure to be sterile as possible while brewing your gear. You can get most compounds to hold w less bb if you use eo as a carrier oil at 100% or cut the gso 50/50 or 60/40 shouldn't have any problems. Gl with your brewing bro